S.D. Codified Laws § 16-18-7
Any person whose license to practice law has been revoked or suspended, who solicits or accepts any power of attorney or other instrument authorizing, directing, or empowering, or attempting to authorize, direct, or empower him to institute or attempt to institute any legal proceedings in any court of this state in behalf of the person executing such power of attorney or other instrument, or who attempts to institute any legal proceedings by virtue of the authority granted to him for such power of attorney or other instrument, or who solicits authority to act as agent for, or acts as agent for another in employing a licensed attorney at law to institute or attempt to institute legal proceedings in any court of this state in behalf of his principal, is guilty of a Class 2 misdemeanor.
SDCL 16-18-7